COMPOSITION OF FRUIT TREES 63 



One ton of figs extracts 51*5 lbs. of mineral 

 matter from the soil. 



The percentage composition of the syconus or so- 

 called fruit of the fig is the following : — 



Soluble albuminoids . 

 Insoluble matter .... 



Sugar 



Gummy matter . 

 Fibre and so-called seeds (achenes) 

 Ash . . ... 

 Moisture 



0-55 



1-38 



48-90 



12-75 



9-11 



1-77 



24-94 



Filberts and Cob-Nuts are varieties of the 

 hazel (q.v.). They grow well in loamy soils. 



The ashes of the wood and nuts contain in 100 

 parts : — 



Nuts. 



Iron oxide 



Manganese dioxide 



Alumina . 



Lime 



Magnesia 



Potash 



Soda 



Phosphoric acid 



Sulphuric acid 



Chlorine . 



Silica 



0-25 



0-05 



0-06 



25-02 



13-61 



39-86 



9-51 



5-61 



0-71 



0-32 



5-00 



One ton of filberts extracts 33 '6 lbs. of mineral 

 matter from the soil. 



The following varieties are excellent nut bearers : 

 " Cosford," " Kentish Cob," " Norwich Prolific," &c. 



